Oracle
1Z0-083 · Question #37
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck. FORCE LOGGING is enabled for the…
The correct answer is D. Enable asynchronous disk I/O. E. Increase the level of RMAN multiplexing. https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/tuning-rman- performance.html#GUID-3303B929-0747-4E78-BED1-9F468213F357
Perform Advanced RMAN Concepts
Question
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck. FORCE LOGGING is enabled for the database. Which two could improve read performance? (Choose two.)
Options
- AIncrease the size of tape I/O buffers.
- BDisable FORCE LOGGING for the database.
- CIncrease the size of the database buffer cache.
- DEnable asynchronous disk I/O.
- EIncrease the level of RMAN multiplexing.
How the community answered
(31 responses)- A6% (2)
- B3% (1)
- C16% (5)
- D74% (23)
Explanation
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/tuning-rman- performance.html#GUID-3303B929-0747-4E78-BED1-9F468213F357
Topics
#RMAN performance tuning#RMAN multiplexing#asynchronous I/O#SBT channel bottleneck
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